CN106323804A - Test system for cycling stability of chemical heat accumulation - Google Patents
Test system for cycling stability of chemical heat accumulation Download PDFInfo
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- CN106323804A CN106323804A CN201610783580.5A CN201610783580A CN106323804A CN 106323804 A CN106323804 A CN 106323804A CN 201610783580 A CN201610783580 A CN 201610783580A CN 106323804 A CN106323804 A CN 106323804A
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- chemical heat
- weighing
- heating furnace
- heat storage
- test system
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
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- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
A test system for cycling stability of chemical heat accumulation comprises thermometers, a pressure meter, a sample container internally containing a chemical heat accumulation material comprising hydroxide, heating devices, a weighing monitoring device, a steam generator and a heating furnace, wherein the steam generator and the heating furnace are connected; the thermometers are arranged in the steam generator and the sample container respectively; the heating devices are arranged in the steam generator and the heating furnace respectively; the pressure meter is arranged on the steam generator; the sample container is lifted in a structure of the heating device in the heating furnace; the sample container is connected with the weighing monitoring device through a lifting silk thread; the weighing monitoring device comprises a supporting structure and a weighing structure arranged below the supporting structure, and the weighing structure adopts but is not limited to a stress type weighing structure or a high-precision electronic scale weighing structure. The test system for the cycling stability of the chemical heat accumulation is reasonable in design and simple in structure and can be used for monitoring the temperature of chemical heat accumulation cycle and progress of heat storage and release.
Description
Technical field
The present invention relates to the technology in a kind of heat accumulation field, specifically a kind of chemical heat storage cyclical stability test is
System.
Background technology
Heat-storage technology is to improve efficiency of energy utilization and the important technology of protection environment, can be used for solving heat energy supply and needing
Seek the contradiction of mismatch, at electric power " peak load shifting ", Solar use, the field such as used heat and remaining pick up the heat have widely
Application prospect.Chemical heat storage has the advantage that energy storage density is big, operational temperature scope is wide in many heat accumulation modes, but stores up
Manipulation modulability hot, heat release is poor.
The cyclical stability of chemical heat storage lacks reliable data and research the most always, and especially hydroxide is (such as hydrogen-oxygen
Change magnesium, calcium hydroxide) chemical heat storage material, deposit and sinter over numerous cycles and the problem such as inefficacy.Why this respect
Research and development is limited, is primarily due to lack reliable laboratory research equipment, and the chemical heat storage cyclical stability of maturation
Study system.
At present, also do not have a kind of can being used directly to that hydroxide chemical heat storage material is circulated stability test
Instrument and equipment or system.This is primarily due to heat-storage medium gas is steam, and a lot of finished product test instrument, all can be because of
The existence of steam has influence on circuit, so can not be introduced directly in instrument by a large amount of steam；Another part test loop is steady
Qualitative equipment then can only monitor temperature, it is impossible to monitoring heat accumulation and heat release progress.
Summary of the invention
The present invention is directed to deficiencies of the prior art, propose a kind of chemical heat storage cyclical stability test system,
Steam generator provides stable water vapor, and sample therein is heated by heating furnace, by monitoring device of weighing
Weight change to sample is measured, the problem solving hydroxide chemical heat storage material is circulated stability test.
The present invention is achieved by the following technical solutions:
The present invention includes: thermometer, piezometer, the shuttle of the built-in chemical heat storage material being made up of hydroxide,
Heater, monitoring device of weighing, connected steam generator and heating furnace, wherein: thermometer is respectively arranged at water vapour
In generator and shuttle, heater is respectively arranged in steam generator and heating furnace；Piezometer is arranged at water and steams
On vapour generator, the inside configuration of the heater that shuttle lifting is arranged in heating furnace；Shuttle and monitoring of weighing
Device is connected.
Described heater is heater strip or adds hot channel.
Described steam generator is connected by pipeline with heating furnace.
Described pipeline is provided with valve.
It is provided with attemperator between the described heater in heating furnace and heating furnace.
The inside configuration of the described heater in heating furnace is provided with stretches out heating furnace by setting valvular pipeline
Steam outlet.
Described shuttle is connected by lifting silk thread with monitoring device of weighing.
Described lifting silk thread is high temperature wires.
Described monitoring device of weighing includes: supporting construction and be arranged at the weighing structure below supporting construction.
Described weighing structure uses but is not limited to: stress type weighing structure or high-precision electronic scale weighing structure.
Described stress type weighing structure is connected with lifting silk thread.
Described high-precision electronic scale weighing structure includes: counterweight, assembly pulley and high-precision electronic scale, wherein: counterweight is put
On high-precision electronic scale, counterweight is positioned at the lower section of assembly pulley.
Described lifting silk thread is connected with counterweight by assembly pulley.
Technique effect
Compared with prior art, the present invention can stably be provided with a large amount of water vapour exist environment, therefore may be used for into
Row cyclical stability is tested, and chemical heat storage cyclical stability can be stored hot progress and supervise by two set weighing structure effectively
Depending on and measure, compared with the off-the-shelf hardware such as thermogravimetric, differential scanning calorimeter, efficiently solve some test equipment and can only monitor temperature
Degree can not monitor the problem storing hot progress.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention；
Fig. 2 is the high-precision electronic scale weighing structure application schematic diagram in the present invention；
In figure: 1 be steam generator, 2 for piezometer, 3 for thermometer, 4 for pipeline, 5 for valve, 6 for heating furnace, 7
For heater, 8 be attemperator, 9 for shuttle, 10 for chemical heat storage material, 11 for steam outlet, 12 for lifting silk
Line, 13 be weighing structure, 14 be supporting construction, 15 be monitoring device of weighing, 16 be counterweight, 17 be assembly pulley, 18 in high precision
Electronic scale.
Detailed description of the invention
Elaborating embodiments of the invention below, the present embodiment is carried out under premised on technical solution of the present invention
Implement, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following enforcement
Example.
Embodiment 1
As it is shown in figure 1, the present embodiment includes: thermometer 3, piezometer 2, shuttle 9, heater 7, monitoring dress of weighing
Put 15, lifting silk thread 12, pipeline 4, valve 5, steam generator 1 and heating furnace 6, wherein: steam generator 1 and heating furnace
6 are connected by being provided with the pipeline 4 of valve 5, and thermometer 3 is respectively arranged in steam generator 1 and shuttle 9；Add hot charging
Putting 7 to be respectively arranged in steam generator 1 and heating furnace 6, piezometer 2 is arranged on steam generator 1；Shuttle 9
The inside configuration of the heater 7 that lifting is arranged in heating furnace 6, shuttle 9 and monitoring device 15 of weighing are by lifting silk
Line 12 is connected.
Described steam generator 1 tests the water providing continual and steady by pipeline 4 for chemical heat storage cyclical stability
Steam, is delivered to the interior and full heating furnace 6 of heating furnace 6, participates in chemical heat storage circular response, and unnecessary water vapour passes through water vapour
Outlet 11 discharge.
Described heater 7 for heater strip or adds hot channel.
It is provided with attemperator 8 between the described heater 7 in heating furnace 6 and heating furnace 6.
The inside configuration of the described heater 7 in heating furnace 6 is provided with stretches out heating by being provided with the pipeline 4 of valve 5
The steam outlet 11 of stove 6.
Described heating furnace 6 provides the in-furnace temperature environment of heat accumulation/heat release different phase.For based on calcium hydroxide
Chemical heat storage material, in the heat accumulation stage, in-furnace temperature is constant more than 500 DEG C, and in exothermic phase, in-furnace temperature can be less than
500℃。
Sample 10 is filled in described shuttle 9.
The described thermometer 3 in heating furnace 6 monitors the temperature change monitoring sample 10 in chemical heat storage ring stability test
Change.
Described sample 10 is the chemical heat storage material comprising hydroxide composition.
Described lifting silk thread 12 is high temperature wires.
Described monitoring device 15 of weighing includes: supporting construction 14 and be arranged at the weighing structure below supporting construction 14
13。
Described weighing structure 13 is stress type weighing structure 13.
Described stress type weighing structure 13 is connected with lifting silk thread 12.
Described monitoring device 15 of weighing obtains the weight change of sample according to the change of stress type weighing structure 13, enters
And obtaining the extent of reaction of chemical heat storage, it is judged that in cyclical stability test, each circulates the degree carried out.
During test, open the valve 5 between steam generator 1 and heating furnace 6, in shuttle 9, add sample 10,
Water in steam generator 1 is heated by heater 7, and the water vapour of generation enters adding in heating furnace 6 by pipeline 4
The inside of thermal 7；Meanwhile, sample 10 is heated by the heater 7 in heating furnace 6, the weight of sample 10 in heating process
Amount m changes, and variable quantity is Δ m, and the stress type weighing structure 13 that lifting silk thread 12 connects is subjected to displacement Δ x, thus calculates
Progress α of circulation.
Progress α of described circulation is during heat accumulation: α=74 Δ m/18m, is α=56 Δ m/ in exothermic process
18m, wherein: Δ m=k Δ x, k are the coefficient of elasticity of stress type weighing structure 13.
Embodiment 2
As in figure 2 it is shown, the weighing structure 13 of the present embodiment is high-precision electronic scale weighing structure 13.
Described high-precision electronic scale weighing structure 13 includes: counterweight 16, assembly pulley 17 and high-precision electronic scale 18, its
In: counterweight 16 is placed on high-precision electronic scale 18, and counterweight 16 is positioned at the lower section of assembly pulley 17.
Described lifting silk thread 12 is connected with counterweight 16 by assembly pulley 17.
The change of counterweight 16 weight that described monitoring device 15 of weighing monitors according to high-precision electronic scale 18 obtains
The weight change of sample 10, and then obtains the extent of reaction of chemical heat storage, it is judged that in cyclical stability test each circulate into
The degree of row.
During test, open the valve 5 between steam generator 1 and heating furnace 6, in shuttle 9, add sample 10,
Water in steam generator 1 is heated by heater 7, and the water vapour of generation enters adding in heating furnace 6 by pipeline 4
The inside of thermal 7, superfluous water steam is discharged by steam outlet 11；Meanwhile, the heater 7 in heating furnace 6 is to sample
10 heat, and in heating process, weight m of sample 10 changes, and variable quantity is Δ m, and lifting silk thread 12 is by assembly pulley 17
Connecting counterweight 16, counterweight 16 weight that high-precision electronic scale 18 claims produces identical variation delta m, thus obtains entering of circulation
Degree α.
Progress α of described circulation is during heat accumulation: α=74 Δ m/18m, is α=56 Δ m/ in exothermic process
18m。
Claims (8)
1. chemical heat storage cyclical stability test system, it is characterised in that including: thermometer, piezometer, built-in by hydrogen-oxygen
Compound composition the shuttle of chemical heat storage material, heater, monitoring device of weighing, connected steam generator and add
Hot stove, wherein: thermometer is respectively arranged in steam generator and shuttle, and heater is respectively arranged at water vapour and sends out
In raw device and heating furnace；Piezometer is arranged on steam generator, and what shuttle lifting was arranged in heating furnace adds hot charging
The inside configuration put；Shuttle is connected with monitoring device of weighing, and steam generator is connected by pipeline with heating furnace.
Chemical heat storage cyclical stability the most according to claim 1 test system, is characterized in that, described heater is
Heater strip or add hot channel.
Chemical heat storage cyclical stability the most according to claim 1 test system, is characterized in that, in described heating furnace
Attemperator it is provided with between heater and heating furnace.
Chemical heat storage cyclical stability the most according to claim 1 test system, is characterized in that, in described heating furnace
The inside configuration of heater is provided with stretches out the steam outlet of heating furnace by setting valvular pipeline.
Chemical heat storage cyclical stability the most according to claim 1 test system, it is characterized in that, described shuttle with
Monitoring device of weighing is connected by lifting silk thread.
Chemical heat storage cyclical stability the most according to claim 1 test system, is characterized in that, described monitoring dress of weighing
Put and include: supporting construction and be arranged at the weighing structure below supporting construction.
Chemical heat storage cyclical stability the most according to claim 6 test system, is characterized in that, described weighing structure is adopted
With: stress type weighing structure or high-precision electronic scale weighing structure, wherein: stress type weighing structure is connected with lifting silk thread.
Chemical heat storage cyclical stability the most according to claim 7 test system, is characterized in that, described high-precision electronic
Scale weighing structure includes: counterweight, assembly pulley and high-precision electronic scale, wherein: counterweight is placed on high-precision electronic scale, and counterweight is positioned at
The lower section of assembly pulley, described lifting silk thread is connected with counterweight by assembly pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610783580.5A CN106323804A (en) | 2016-08-30 | 2016-08-30 | Test system for cycling stability of chemical heat accumulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610783580.5A CN106323804A (en) | 2016-08-30 | 2016-08-30 | Test system for cycling stability of chemical heat accumulation |
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| Publication Number | Publication Date |
|---|---|
| CN106323804A true CN106323804A (en) | 2017-01-11 |
Family
ID=57788981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610783580.5A Pending CN106323804A (en) | 2016-08-30 | 2016-08-30 | Test system for cycling stability of chemical heat accumulation |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115824874A (en) * | 2022-09-26 | 2023-03-21 | 南京航空航天大学 | Direct light-heat gravimetric high-precision analyzer and working method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101144804A (en) * | 2006-09-12 | 2008-03-19 | 洛阳市西格马仪器制造有限公司 | Sintering combustion automatic analysis instrument |
| CN201215561Y (en) * | 2008-06-05 | 2009-04-01 | 昆明理工大学 | Gasification characteristic test apparatus for solid combustible substance |
| CN201425419Y (en) * | 2009-04-17 | 2010-03-17 | 宝山钢铁股份有限公司 | High-temperature reduction-reaction experimental electric stove |
| CN102128021A (en) * | 2011-01-25 | 2011-07-20 | 天津港保税区鑫利达石油技术发展有限公司 | Quantitative degasser with floater and trimming device thereof |
| CN201974393U (en) * | 2010-12-17 | 2011-09-14 | 同济大学 | High temperature phase change energy storage material thermal cycling stability automatic testing device |
| CN202024941U (en) * | 2011-03-29 | 2011-11-02 | 内蒙古科技大学 | On-line monitoring device for material weightlessness in microwave field |
| CN202204576U (en) * | 2011-09-21 | 2012-04-25 | 东北石油大学 | Weight gain/loss continuous real-time measuring balance for test piece |
| CN105423791A (en) * | 2015-11-11 | 2016-03-23 | 上海交通大学 | Adjustable chemical heat storage system |
-
2016
- 2016-08-30 CN CN201610783580.5A patent/CN106323804A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101144804A (en) * | 2006-09-12 | 2008-03-19 | 洛阳市西格马仪器制造有限公司 | Sintering combustion automatic analysis instrument |
| CN201215561Y (en) * | 2008-06-05 | 2009-04-01 | 昆明理工大学 | Gasification characteristic test apparatus for solid combustible substance |
| CN201425419Y (en) * | 2009-04-17 | 2010-03-17 | 宝山钢铁股份有限公司 | High-temperature reduction-reaction experimental electric stove |
| CN201974393U (en) * | 2010-12-17 | 2011-09-14 | 同济大学 | High temperature phase change energy storage material thermal cycling stability automatic testing device |
| CN102128021A (en) * | 2011-01-25 | 2011-07-20 | 天津港保税区鑫利达石油技术发展有限公司 | Quantitative degasser with floater and trimming device thereof |
| CN202024941U (en) * | 2011-03-29 | 2011-11-02 | 内蒙古科技大学 | On-line monitoring device for material weightlessness in microwave field |
| CN202204576U (en) * | 2011-09-21 | 2012-04-25 | 东北石油大学 | Weight gain/loss continuous real-time measuring balance for test piece |
| CN105423791A (en) * | 2015-11-11 | 2016-03-23 | 上海交通大学 | Adjustable chemical heat storage system |
Non-Patent Citations (6)
| Title |
|---|
| F. SCHAUBE等: "De- and rehydration of Ca(OH)2 in a reactor with direct heat transfer for thermo-chemical heat storage. Part A:Experimental results", 《CHEMICAL ENGINEERING RESEARCH AND DESIGN》 * |
| J. YAN等: "Experimental study of CaO/Ca(OH)2 in a fixed-bed reactor for thermochemical heat storage", 《APPLIED ENERGY 》 * |
| YUEFENG LI等: "Testing method of phase change temperature and heat of inorganic high temperature phase change materials", 《EXPERIMENTAL THERMAL AND FLUID SCIENCE 》 * |
| 李元元等: "Sn-Zn合金相变储热材料的热循环稳定性", 《特种铸造及有色合金》 * |
| 沈丹等: "镁/氢化镁储热系统放热过程优化分析", 《储能科学与技术》 * |
| 赵长颖等: "多孔介质的相变和热化学储热性能", 《科学通报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115824874A (en) * | 2022-09-26 | 2023-03-21 | 南京航空航天大学 | Direct light-heat gravimetric high-precision analyzer and working method thereof |
| CN115824874B (en) * | 2022-09-26 | 2023-09-29 | 南京航空航天大学 | Direct photothermal heavy high-precision analyzer and working method thereof |
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Application publication date: 20170111 |